Shared Flashcard Set

Details

Bio 2100 Infectious Diseases
Exam 1
47
Biology
Undergraduate 2
02/24/2010

Additional Biology Flashcards

 


 

Cards

Term
Disease
Definition

- Caused by a pathogen

- Any state of health OTHER than full health

Term
NOT Infectious Diseases
Definition
Cancer, genetic disorders, heart disease, metabolic diseases
Term
"Infectious"
Definition
It is caused by the presence of pathogens.
Term
Pathogen
Definition
Microbe that infects a host, replicates in teh host and causes disease.
Term
Phylotype
Definition

- Species of microorganism

- Genetically unique set of micro organisms w/ similar characteristics.

Term
Strain
Definition

-Breed of Species

 

Term
The Plague
Definition

- Caused by Versinia Pestis

- Swollen Lymph Nodes, high fever, nausia, mental confusion

 

Term
Black Plague
Definition
Ruptured blood vessels cause dark rash (100% fatal)
Term
Hippocrates and Greeks
Definition
- First to record disease case history
Term
Romans
Definition

- Aqueducts

- Sewers

- Baths

Term
Fracastraro
Definition
- First to suggest syphillis, typhus and tuberculosis were contagious.
Term
Van Leeweknoek
Definition

- First "microscope"

- Put lenses together to magnify 270x

- "Wretched Beasties"

Term
Jenner
Definition

- First Vaccine

- Milkmaid couldn't get small pox  b/c she had cow pox.

Term
Bacteria Cell Walls
Definition

- Help protect and shape cell

- Used to classify cells

Term
Gram (+) Stain Color
Definition
Purple
Term
Gram (-) Stain Color
Definition
Red/pink
Term
Cocci Shape
Definition
Round
Term
Conjugation
Definition
- Exchange of Genetic Material
Term
Plasmid
Definition
Unnecessary chromosomes that contain genes for certain evolutionary advantages
Term
Endospore
Definition

- Packages of genetic info stored in cell

- Very tough, resistant to most environmental factors

- Survives when bacteria lyses and re-germinates in favorable conditions

Term
Invasiveness
Definition
- Ability to enter and multiply in body
Term
Exotoxin produced by _____
Definition
Gram +
Term
Exotoxins are part of ______
Definition
Normal bacteria growth
Term
Exotoxin Mechanisms
Definition

- Cause overstimulation of immune system

- Kill host cells by inserting into membrane and rupturing cells

- Block Protein Synthesis

 - Block Nerve Function

Term
Endotoxin
Definition

- Released when gram (-) bacteria lyse

- Symptoms: Fever, chills, aches

Term
Antibiotics target ______
Definition
Proteins
Term
Random mutations
Definition

- Change proteins so they can "get around" antis

- Can also gain resistence through conjugation

- Resistent Bacteria thrive w/o competition

Term
MRSA
Definition

- Strain of staph resistent to many antis.

- Cause skin rash, abcess, blood infection, pnemonia and death

Term
C-Diff
Definition

- AR Clastridium strain

- Cause diahrehea nausea, vomiting.

Term
Triclosin targets ______
Definition

-FAB1 enzyme in fatty acid

- However, FAB1 can mutate and help protein ignore triclosin

Term
Bleach and alcohol target ______
Definition

- Fatty acids directly

- Can't evolve around alcohol

Term
Phages
Definition
Viruses that target and attack bacteria
Term
Space Bugs
Definition

- Bacteria in space that produce antibiotics in response to extreme stress

- Fight other bacteria

Term
Group B Strep
Definition

- (B= Baby strep)

- Carried by 1 in 4/5 people, STD

- Babies get from moms in childbirth

- 10% fatal, 20% survivors have disabilities

- Fever, lack appetite, limp or stiff, breathing problems,

screaming

Term
Group A Strep
Definition

-(A= Adult Strep)

- Strep throat

- Sore throat, fever, chills, headache, swollen lymph nodes

- Untreated can turn into scarlett fever or rheumatic fever

Term
Meningitis
Definition
-Infection of Meninges, membranes that protect brain and spinal cord
Term
Meningitis caused by______
Definition

- most commonly by meningococcus

- Can also be caused by virus and fungi

Term
Meningitis Symptoms
Definition

- High fever, stiff neck, headache, sudden onset, extreme drowsiness, convulsions and coma

- 75% die w/o treatment

Term
Virion
Definition
- Virus particle
Term
Virus Capsid
Definition

- Protein coat on virus

- Helps w/ entry into host, protects genetic material, determines shape

Term
Viruses target _______
Definition
Specific cells to serve as host
Term
Chicken Pox and Shingles are both caused by _______ ________
Definition
Varicella-Zoster virus
Term
Chicken Pox is most common______
Definition
during the late winter/early spring
Term
Varicella Vaccine
Definition
70-85% effective
Term
Shingles
Definition

- Disease happens when dormant virus re-activates

- Symptoms include painful rash on torso, numbness and tingling, very severe pain

Supporting users have an ad free experience!